#EEF580#EEF580

#EEF580 is a very light, vivid yellow. Relative luminance 0.850; OKLCH L 94.1% C 0.141 H 111.9°. Best body text is #000000 at 18.01:1 contrast (WCAG AA passes).

Color values

HEX	#EEF580
RGB	rgb(238, 245, 128)
HSL	hsl(64, 85%, 73%)
HSV	hsv(64, 48%, 96%)
CMYK	cmyk(2.9%, 0%, 47.8%, 3.9%)
CIE-LAB	lab(93.90, -18.32, 55.07)
CIE-LCH	lch(93.90, 58.04, 108.40°)
OKLab	oklab(94.11% -0.0525 0.1308)
OKLCH	oklch(94.11% 0.141 111.9)
XYZ	xyz(71.8099, 85.0418, 33.0498)
Luminance	0.8504 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EEF580 #8780F5

analogous

#F5C180 #EEF580 #B3F580

triadic

#EEF580 #80EEF5 #F580EE

tetradic

#EEF580 #80F5C1 #8780F5 #F580B3

square

#EEF580 #80F5C1 #8780F5 #F580B3

split-complementary

#EEF580 #80B3F5 #C180F5

monochromatic

#DCE812 #E6F147 #EEF580 #F6F9B9 #FBFDE3

Accessibility & contrast

On white

1.17

#EEF580 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.01

#EEF580 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EEF580

18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EEF580	#FFFFFF	#000000	##000000
##EEF580	1.00	1.17	18.01	18.01
#FFFFFF	1.17	1.00	21.00	21.00
#000000	18.01	21.00	1.00	1.00
##000000	18.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC76

Deuteranopia (green-blind)

#FFEF86

Tritanopia (blue-blind)

#FBE9DA

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eef580;
/* rgb */ color: rgb(238, 245, 128);
/* oklch */ color: oklch(94.1% 0.141 111.9);

Tailwind

colors: {
  custom: {
    50: '#f5f8a7',
    500: '#eef580',
    950: '#000000',
  },
}

SCSS

$custom: #eef580;
$custom-light: #f5f8a7;
$custom-dark: #000000;

JSON

{
  "hex": "#eef580",
  "rgb": {
    "r": 238,
    "g": 245,
    "b": 128
  },
  "hsl": {
    "h": 63.59,
    "s": 85.401,
    "l": 73.137
  },
  "oklch": {
    "l": 0.94105,
    "c": 0.14095,
    "h": 111.9
  },
  "luminance": 0.8504
}

Semantic roles & 50–950 ramp

primary

#EEF580

secondary

#5048D1

accent

#04E211

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EEF580

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →